1321807-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321807-30-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,8,0 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1321807-30:
(9*1)+(8*3)+(7*2)+(6*1)+(5*8)+(4*0)+(3*7)+(2*3)+(1*0)=120
120 % 10 = 0
So 1321807-30-0 is a valid CAS Registry Number.